You could use a single sever with vms on local storage. Or connected to
remote storage such as nfs.
There are drawbacks of course. You could not keep vms running if host is
down or for upgrades etc.
For any kind of high availability you’d want at least two severs with
remote storage, but then your storage could potentially be a single point
or failure if it’s not redundant.
Ideally the best smaller scale setup for ovirt is using three severs for
hyper converged infrastructure. Storage is spread across the three hosts
using glusterfs and allows for one host of the three to be taken down at
any given time without while keeping vms running.
On Sat, Jul 31, 2021 at 4:12 AM rp.neuli--- via Users <users(a)ovirt.org>
wrote:
Hello,
sorry for a very basic question. But I searched the net for the basic
answer and did not get it.
How many servers do I need to run oVirt software? I understand I can
access management GUI from anywhere on subnet but naming and they it is
explained is confusing to me.
I am planning to buy a bigger server (just one to use as compute host)
with dual cpu and about 64GB RAM. I am thinking to run my webservers as VM
on this proposed machine.
I thought it was a level 1 hypervisor (then why does it say some places
that I need CentOS or RH on my server?)
I also have a FreeNAS server, I was thinking if it was possible to keep my
VMs stored on there and run/load/execute them on this so-called-compute
server.
Will I have to build and keep my VMs (when powered down) on oVirt machine
only?
finally what will I loose in comparison to free vSphere, if I select oVirt?
Thank you.
Rajeev
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